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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Sunroof System) >> Repair Instructions >> Sunroof Module Assembly Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION: To avoid personal injury when exposed to plastic structural installation adhesive while grinding/cutting/applying repair material, you must work in a properly ventilated area, wearing an approved respirator, eye protection, rubber gloves, protective clothing, apply protective cream to any exposed skin, remove any mixture that comes into contact with skin, wash skin with cold water to remove adhesive and follow the repair material manufacturer's instructions.
    IMPORTANT: Before beginning this repair, refer to Sheet Molded Compound (SMC) Panel Bonding for proper adhesive, applicator preparations, and general information.
  1. Use a sheet of plastic covering to protect the upper dash pad, the seats, and the carpeting.
  2. Remove the front seats. Refer to Bucket Seat Replacement .
  3. Remove the secondary seats. Refer to Rear Seat Replacement .
  4. Remove the folding seats. Refer to Rear Number 2 Folding Seat Replacement .
  5. It is only necessary to lower the headliner. Only do those step in headliner replacement that will lower the headliner enough to gain access to the part. Refer to Headlining Trim Panel Replacement .
  6. Disconnect the electrical wiring harness connectors at the C-pillar area.
  7. Remove all of the sunroof windows. Refer to Sunroof Window Replacement (Front)  or Sunroof Window Replacement (Rear Vent)  or Sunroof Window Replacement (Center)  or Sunroof Window Replacement (Rear Stationary) .
  8. Remove the luggage rack carrier. Refer to Luggage Carrier Rivet Nut Replacement .
  9. Remove the roof exterior trim covers. Refer to Sunroof Exterior Trim Cover Replacement (Front)  or Sunroof Exterior Trim Cover Replacement (Rear)  or Sunroof Exterior Trim Cover Replacement (Rear Sides)  or Sunroof Exterior Trim Cover Replacement (Front Sides) .
  10. Disconnect the rear drain hoses from the module drain spouts. Refer to Sunroof Housing Rear Drain Hose Replacement .
  11. Remove the windshield. Refer to Adhesive Installation of Stationary Windows .
    12. Fig 1: Cutting Sunroof Adhesive
    GM1283492Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use clean water to lubricate the blade.
  12. Using J 39040  with the serrated U-shaped blade, or equivalent, start at the front edge of the sunroof module and carefully cut the adhesive which retains the sunroof module to the pinch-weld flanges.
    13. Fig 2: Adding Wedges Under Sunroof Module
    GM1283500Courtesy of GENERAL MOTORS CORP.
  13. Add wedges (2) under the sunroof module (1) as required to relieve the pressure on the cutting blade.
    14. Fig 3: Cutting Around Sunroof Module Perimeter
    GM1283505Courtesy of GENERAL MOTORS CORP.
  14. Cut around the entire perimeter of the sunroof module in order to release the adhesive bond.
    15. Fig 4: Cutting Adhesive On Both Sides Of Roof Bow
    GM1283512Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Cut the adhesive on both sides of the roof bow. The blade is not long enough to cut through the width of the adhesive on the roof bow.
  15. Using J 39040  with the circular blade, carefully cut the adhesive retaining the sunroof module to the roof bow.
    16. Fig 5: Cutting Sunroof Module-To-Roof Bow Adhesive
    GM1283523Courtesy of GENERAL MOTORS CORP.
  16. Using J 39040  with the long straight blade, carefully finish cutting through the adhesive retaining the sunroof module to the roof bow.
    17. Fig 6: Separating Sunroof Module From Roof Bow
    GM1283526Courtesy of GENERAL MOTORS CORP.
  17. Add wedges as needed to separate the sunroof module from the roof bow.
  18. With the aid of an assistant, remove the sunroof module from the body.
    19. Fig 7: Scraping Adhesive From Side Pinch-Weld Flanges
    GM1283531Courtesy of GENERAL MOTORS CORP.
  19. Using J 39040  with the scraper blade, scrape all of the adhesive from the side pinch-weld flanges.
    20. Fig 8: Locating Alignment Hole & Net Hole
    GM903308Courtesy of GENERAL MOTORS CORP.
  20. Ensure that the left front net hole (2) and the right rear corner alignment hole (1) are cleared of debris for installation of the new sunroof module.
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